Subtract 90/5 from 30/2
1st number: 15 0/2, 2nd number: 18 0/5
30/2 - 90/5 is -3/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
30/2 = 30 × 5/2 × 5 = 150/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
90/5 = 90 × 2/5 × 2 = 180/10 - Subtract the two like fractions:
150/10 - 180/10 = 150 - 180/10 = -30/10 - After reducing the fraction, the answer is -3/1
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